Air conditioner



FIG. 1 is a front view of an air conditioner showing our new design;

FIG. 2 is a left view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is a top view thereof.

CLAIM The ornamental design for an air conditioner, as shown anddescribed.